Journal
CLINICAL TRANSPLANTATION
Volume 38, Issue 1, Pages -Publisher
WILEY
DOI: 10.1111/ctr.15158
Keywords
complication: surgical/technical; organ procurement and transplantation network (OPTN); patient survival
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Patients undergoing lung transplantation for pulmonary venous-occlusive disease (PVOD) had better initial survival compared to those with primary pulmonary hypertension (PPHTN), but this advantage disappeared after 1 year. The use of donation after circulatory death donors was associated with lower short-term survival rates.
Objectives: End-stage lung disease from primary pulmonary hypertension (PPHTN) and pulmonary venous-occlusive disease (PVOD) may require lung transplantation (LT). While medical therapies exist for the palliation of PPHTN, no therapies exist for PVOD. The study's objective is to compare outcomes of LT in these patients.Methods: Patients with PPHTN and PVOD who had undergone LT were identified in the UNOS database (2005-2022). Univariable analyses compared differences between groups in demographic, clinical, and post-transplant outcomes. Multivariable logistic regression examined the association between the diagnosis group and survival. Overall survival time between groups was compared using the Kaplan-Meier method.Results: Six hundred and ninety-six PPHTN and 78 PVOD patients underwent LT during the study period. Patients with PVOD had lower pulmonary artery mean pressure (47 vs. 53 mmHg, p < .001), but higher cardiac output (4.51 vs. 4.31 L/min, p = .04). PVOD patients were more likely to receive lungs from donation after cardiac death donors (7.7 vs. 2.9%, p = .04). There were no differences in postoperative complications or length of stay. PVOD was associated with superior survival at 30-day (100 vs. 93%, p = .02) and 90-day post-transplant (93 vs. 83%, p = .03), but not at later time points. In multivariable analyses, PVOD and brain death donor use were associated with better survival up to 90-day mark.Conclusions: Patients undergoing LT for PVOD had better initial survival, which disappeared after 1 year of transplantation. Donation after circulatory death donor use had a short-term survival disadvantage.
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